The first season of this biting and quick-witted Showtime dramedy centers on a motley crew of grim reapers who escort the dead into the afterlife, a group headed by a droll boss (Mandy Patinkin) and anchored by a college-age newcomer (Ellen Muth). The newbie doesn't quite know what she's doing -- or even why she was chosen for the job in the first place. But soon, she grows to recognize the poetry in her purpose.